Clean Water Act discharge permit · NPDES VA0023281
MONTEREY STP, Monterey, VA: NPDES VA0023281 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MONTEREY STP, held by Monterey STP, holds NPDES permit VA0023281, which discharges to Upper South Branch Potomac River. EPA’s file records it issued August 14, 2017 and expiring August 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MONTEREY STP |
|---|---|
| Permittee as filed | Monterey STP |
| NPDES ID | VA0023281 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 14, 2017 |
| Expiration date | August 31, 2022 |
| Issuing agency | STATE |
| Address | Monterey, VA 24465 |
| Receiving water | Upper South Branch Potomac River |
| Receiving water impaired | 303(D) Listed |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 12Under a numeric limit
- 5With a violation of any kind
- 5With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 1 | 4 | 3 | April 30, 2026 | 28% over the limit |
| pH | 2 | 3 | 3 | March 31, 2026 | |
| Solids, total suspended | 4 | 2 | 2 | August 31, 2022 | 27% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 1 | 1 | April 30, 2026 | 19% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 1 | 1 | May 31, 1990 | 140% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 0 | 0 | ||
| Mirex | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| E. coli | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 22, 2021 | WW SSO - Discharge to Waters | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID VA0023281 there.
Nearby on the register
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- Every permit record in Virginia, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.